Electric Discharge Phenomenon Quiz

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Questions and Answers

What is the main cause of the spark or crackle when synthetic clothes are taken off in dry weather?

  • Chemical reaction between the clothes and air
  • Static magnetic fields surrounding the clothes
  • Accumulation of electric charges through rubbing of insulating surfaces (correct)
  • Presence of tiny insects in the clothing

How is static electricity generated in the context described in the text?

  • Through chemical reactions between clothing fibers
  • Via accumulation of electric charges through surface rubbing (correct)
  • By the movement of insulating surfaces
  • Due to magnetic interactions between clothes

What is the main focus of electrostatics as mentioned in the text?

  • Investigation of chemical properties of static charges
  • Analysis of lightning phenomena
  • Study of moving electric charges
  • Examination of forces and fields from static charges (correct)

Which statement accurately describes the term 'static' as used in the text?

<p>It indicates a lack of motion or change with time (A)</p> Signup and view all the answers

What causes the sensation of an electric shock when opening a car door or holding a bus iron bar, as per the text?

<p>Electric discharge through our body due to accumulated charges (D)</p> Signup and view all the answers

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